Radioactive film

["Mercado, Don" <don.mercado@lmco.com>]

Greetings all,



I ran across an interesting situation today and maybe one of you can shed

some light on it. Someone was cleaning out one of our R&D labs and came

across two paint cans marked radioactive. Both cans contained pieces of film

in paper packets. Inside one was an invoice from the Australian Atomic

Energy Commission dated 9/75. The packets of film in one can were labeled

with various quantities of S-35, the other can had packets marked Ni-63.

Apparently film was doped with these isotopes and autoradiographs were taken

of them. Of course the S-35 was gone, but sho' 'nuff, the Ni-63 was there.



Why in the world would anyone add beta emitters to film and how would you

use radioactive film? Inquiring minds want to know.



Thanks for any help you can give!





Donald P. Mercado	

Radiation Safety Officer

Explosives Safety Officer

Lockheed Martin Space Systems Company

O/EK-20, B/157

1111 Lockheed Martin Way

Sunnyvale, CA 94089

Ph. (408) 742-0759

Fx. (408) 756-0504

Don.Mercado@lmco.com



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